color : daylight effect
Use only 2-10 watts of electricity (one third to one thirtieth of Incandescent or CFL)
Long lasting - up to 30,000 hour bulb life 
Instant on/off
Works in cold weather
Can sustain moderate power surges
Durable bulbs, no fragile filaments which could be breaking down

Directional lighting generates less wasted light
Works with sensor activated lights